diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineBasicBlock.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBasicBlock.cpp | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp index 6f69a0f0bd3..c3e9c185be9 100644 --- a/llvm/lib/CodeGen/MachineBasicBlock.cpp +++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp @@ -1384,7 +1384,7 @@ MachineBasicBlock::computeRegisterLiveness(const TargetRegisterInfo *TRI, // Try searching forwards from Before, looking for reads or defs. const_iterator I(Before); for (; I != end() && N > 0; ++I) { - if (I->isMetaInstruction()) + if (I->isDebugInstr()) continue; --N; @@ -1423,7 +1423,7 @@ MachineBasicBlock::computeRegisterLiveness(const TargetRegisterInfo *TRI, do { --I; - if (I->isMetaInstruction()) + if (I->isDebugInstr()) continue; --N; @@ -1456,11 +1456,6 @@ MachineBasicBlock::computeRegisterLiveness(const TargetRegisterInfo *TRI, } while (I != begin() && N > 0); } - // Check for the edge condition where the only instructions between I and - // begin() are meta instructions. - if (I != begin() && std::prev(I)->isMetaInstruction()) - I = skipMetaInstructionsBackward(std::prev(I), begin()); - // Did we get to the start of the block? if (I == begin()) { // If so, the register's state is definitely defined by the live-in state. |
